CVE-2026-42523

CRITICAL EPSS 19.8%
Published Apr 29, 20262mo ago · Modified Jun 17, 20261w ago
9.0 CVSS 3.1
Critical
Find Similar
Published Apr 29, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

Jenkins GitHub Plugin 1.46.0 and earlier improperly processes the current job URL as part of JavaScript implementing validation of the feature "GitHub hook trigger for GITScm polling", resulting in a stored cross-site scripting (XSS) vulnerability exploitable by non-anonymous attackers with Overall/Read permission.

CVSS Details

Base Score
9.0
Exploitability
2.3
Impact
6.0
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
19.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
jenkinsgithub* <1.46.0.1

References 1

  • jenkins.io https://www.jenkins.io/security/advisory/2026-04-29/#SECURITY-3704
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.